v2.4.0.6
EMPLOYEE RETIREMENT PLANS (Details 4) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Defined Benefit Plan Disclosure [Line Items]      
Benefits earned during the period $ 1,726 $ 1,472 $ 1,212
Interest cost on projected benefit obligation 2,403 2,317 2,373
Expected return on plan assets (2,094) (1,994) (2,021)
Net amortization and deferral 1,702 1,612 1,272
Net pension expense $ 3,737 $ 3,407 $ 2,836